OpenCode vs GitHub Copilot CLI vs OpenAI Codex CLI vs ReadDocs

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenCode
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
OpenAI Codex CLI
Competitor 3
ReadDocs
Compare
4 tools · best value per row highlighted
Your tool OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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Competitor ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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744visits/mo
MoM change
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▲ 141.6%
6-month growth
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Global rank web
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Avg. last 3 months
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384
Bounce rate lower is better
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39%
Pages / visit
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1.1
Visit duration
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Traffic sources
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OpenCodeGitHub Copilot CLIOpenAI Codex CLIReadDocs
0186372558744ReadDocs · 101ReadDocs · 308ReadDocs · 7441001KReadDocs · 101ReadDocs · 308ReadDocs · 744Feb '26MarApr
Pricing
Model
Free
Free
Paid
Freemium
Starting price
Free
Free
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Free tier
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
DocumentsImagesText
Output
Code
Code
Code
Text
Skill level
Advanced
Intermediate
Advanced
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
5
4
13
Coding
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Agents
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Developer tools
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Document chat
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Document q a
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Document summaries
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Document summarization
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PDF summaries
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Summarizing
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GitHub pull requests
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Interactive PDF processing
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OCR
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Official documents q a
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PDF analysis
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Summaries
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Development
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GitHub management
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Local AI
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Meeting summaries
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Self hosted
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Terminal
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YouTube summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.